Modernize DataTreeCandidateNode API

[yangtools.git] / data / yang-data-tree-spi / src / main / java / org / opendaylight / yangtools / yang / data / tree / spi / WriteLeafCandidateNode.java

diff --git a/data/yang-data-tree-spi/src/main/java/org/opendaylight/yangtools/yang/data/tree/spi/WriteLeafCandidateNode.java b/data/yang-data-tree-spi/src/main/java/org/opendaylight/yangtools/yang/data/tree/spi/WriteLeafCandidateNode.java
index b437877b89b3d22cebce73c8f185dcd0f29fe240..e08ab5c82f5a48ba7bfdcb49d593ae6dc354df9e 100644 (file)
--- a/data/yang-data-tree-spi/src/main/java/org/opendaylight/yangtools/yang/data/tree/spi/WriteLeafCandidateNode.java
+++ b/data/yang-data-tree-spi/src/main/java/org/opendaylight/yangtools/yang/data/tree/spi/WriteLeafCandidateNode.java
@@ -7,7 +7,6 @@
  */
 package org.opendaylight.yangtools.yang.data.tree.spi;
 
-import java.util.Optional;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 
 final class WriteLeafCandidateNode extends AbstractWriteCandidate {
@@ -16,7 +15,7 @@ final class WriteLeafCandidateNode extends AbstractWriteCandidate {
     }
 
     @Override
-    public Optional<NormalizedNode> getDataBefore() {
-        return Optional.empty();
+    public NormalizedNode dataBefore() {
+        return null;
     }
 }